Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
권호 표지
DOI QR코드

DOI QR Code

Verification of dilution ratio of the newly developed ejector-porous tube diluter for measurement of fine dust in coal-fired power plant stack

화력발전소 굴뚝 미세먼지 측정을 위해 개발한 이젝터-다공튜브 희석장치의 희석비 검증

  • Shin, Dongho (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Kim, Young-Hoon (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Hong, Keejung (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Kim, Hak-Joon (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Kim, Yong-Jin (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Han, Bangwoo (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Lee, Ga-Young (Department of Environment Machinery, Korea Institute of Machinery & Materials) ;
  • Chun, Sung-Nam (Korea Electric Power Research Institute) ;
  • Hwang, Jungho (Korea Electric Power Research Institute) ;
  • 신동호 (한국기계연구원 환경시스템연구본부) ;
  • 김영훈 (한국기계연구원 환경시스템연구본부) ;
  • 서현수 (한국기계연구원 환경시스템연구본부) ;
  • 홍기정 (한국기계연구원 환경시스템연구본부) ;
  • 김학준 (한국기계연구원 환경시스템연구본부) ;
  • 김용진 (한국기계연구원 환경시스템연구본부) ;
  • 한방우 (한국기계연구원 환경시스템연구본부) ;
  • 이가영 (한국전력공사 전력연구원 청정발전연구소) ;
  • 천성남 (한국전력공사 전력연구원 청정발전연구소) ;
  • 황정호 (연세대학교 기계공학부)
  • Received : 2019.07.31
  • Accepted : 2019.09.17
  • Published : 2019.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

The exhaust emissions from coal-fired power plants have received much attention because coal-fired power plants are the one of the largest sources of particulate matter (PM) emissions in South Korea. To measure the PM10 and PM2.5, we developed the novel diluter which is comprised of ejector and porous tube in series. The dilution ratio must be defined to calculate particle concentrations of the sampled air as well as to probe match for the isokinetic sampling. For this reason, we verified the dilution ratio of the developed diluter by the flow rate, numerical solution, gas concentration and particle concentration. The ejector-supplied flow rates were 10-50 L/min and the porous tube-supplied flow rates were 30, 50 L/min in this study. All methods above showed similar dilution ratios to each other within 10 % error rate. The dilution ratio was confirmed by comparing mass concentrations before and after the dilution process.

Keywords

References

  1. Baek, K.W., and Chung, J.D. (2004). Study on the Yellow Sandy Dust Phenomena in Korean Peninsula and chemical compositions in fine particles at background sites of Korea, Journal of Environmental and Sanitary Engineering, 19, 9-18.
  2. Burtscher, H., Baltensperger, U., Bukowiecki, N., Cohn, P., Hüglin, C., Mohr, M., Matter, U., Nyeki, S., Schmatloch, V., Streit, N., and Weingartner, E. (2001). Separation of volatile and non-volatile aerosol fractions by thermodesorption: instrumental development and applications, Journal of Aerosol Science, 32, 427-442. https://doi.org/10.1016/S0021-8502(00)00089-6
  3. Burtscher, H. (2005). Physical characterization of particulate emissions from diesel engines: a review, Journal of Aerosol Science, 36, 896-932. https://doi.org/10.1016/j.jaerosci.2004.12.001
  4. Giechaskiel, B., Ntziachristos, L., and Samaras, Z. (2004). Calibration and modelling of ejector dilutors for automotive exhaust sampling, Measurement Science and Technology, 15, 2199-2206. https://doi.org/10.1088/0957-0233/15/11/004
  5. Hildemann, L.M., Cass, G.R., and Markowski, G.R.(1989). A Dilution Stack Sampler for Collection of Organic Aerosol Emissions: Design, Characterization and Field Tests, Aerosol Science and Technology, 10, 193-204. https://doi.org/10.1080/02786828908959234
  6. Kim, H.B., Kim, D.S., Youn, J.S., Han, S., Heon, Y.W., and Jeon, K.J. (2017). Comparison of measurement methods and size fraction of fine particles (PM10, PM2.5) from stationary emission source using Korean standard and ISO: coal power plant and refinery, Journal of Korean Society for Atmospheric Environment, 33, 342-350. https://doi.org/10.5572/KOSAE.2017.33.4.342
  7. Lee, H.J., Jeong, Y., Kim, S.T., and Lee, W.S. (2018). Atmospheric circulation patterns associated with particulate matter over South Korea and their future projection, Journal of Climate Change Research, 9, 423-433. https://doi.org/10.15531/KSCCR.2018.9.4.423
  8. Lee, S.M., Ho, C.H., and Choi, Y.S. (2011). High PM10 concentration episodes in Seoul, Korea: Background sources and related meteorological conditions, Atmospheric Environment, 45, 7240-7247. https://doi.org/10.1016/j.atmosenv.2011.08.071
  9. Lyyranen, J., Jokiniemi, J., Kauppinen, E.I., and Joutsensaari, J. (1999). Aerosol characterization in medium-speed diesel engines operating with heavy fuel oils, Journal of Aerosol Science, 30, 771-784. https://doi.org/10.1016/S0021-8502(98)00763-0
  10. Lyyranen, J., Jokiniemi, J., Kauppinen, E. I., Backman, U., and Vesala, H. (2004). Comparison of Different Dilution Methods for Measuring Diesel Particle Emissions, Aerosol Science and Technology, 38, 12-23. https://doi.org/10.1080/02786820490247579
  11. Menter, H.R., Kuntz, M., and Langtry, R. (2003). Ten Years of Industrial Experience with the SST Turbulence Model, Turbulence, Heat and Mass Transfer, 4, 625-632.
  12. Park, H.S., Lee, D.A., Yang, J.G., and Jang, S.G. (2018). Emission Characteristics of PM10 and PM2.5 in Thermal Power Plants Using Different Fuel Types, Journal of Korean Society for Atmospheric Environment, 34(4), 534-541. https://doi.org/10.5572/KOSAE.2018.34.4.534
  13. Song, G.J., Moon, Y.H., Joo, J.H., Lee, A.Y., and Lee, J.B. (2018). TSP, PM10 and PM2.5 Emission Characteristics in a Coal-fired Power Plant, Korea Society for Environmental Analysis, 21(1), 52-60.
  14. Shin, D., Woo, C.G., Hong, K.J., Kim, H.J., Kim, Y.J., Lee, G.Y., Chun, S.N., Hwang, J., Han, B. (2019). Development of a new dilution system for continuous measurement of particle concentration in the exhaust from a coal-fired power plant, Fuel, 257, 116045. https://doi.org/10.1016/j.fuel.2019.116045